deprecate even more redundant public synth functions
deprecate even more redundant public synth functions

FluidSynth/fluidsynth,nezticle/fluidsynth,nezticle/fluidsynth,nezticle/fluidsynth,FluidSynth/fluidsynth,nezticle/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth